Civil Services TNPSC Group 1 (New Syllabus) Mock Test 2025 Quantitative Aptitude Speed Time and Distance Boat and River
A man rows upstream 15 km and downstream 18 km, he takes 3 hours each time. The speed of the current is:
1
\(\frac{1}{2}\) km/h
2
\(\frac{3}{2}\) km/h
3
1 km/h
4
2 km/h